Nothing Special   »   [go: up one dir, main page]

DE3585938D1 - ULTRASONIC TRANSDUCER AND METHOD FOR PRODUCING THE SAME. - Google Patents

ULTRASONIC TRANSDUCER AND METHOD FOR PRODUCING THE SAME.

Info

Publication number
DE3585938D1
DE3585938D1 DE8585111818T DE3585938T DE3585938D1 DE 3585938 D1 DE3585938 D1 DE 3585938D1 DE 8585111818 T DE8585111818 T DE 8585111818T DE 3585938 T DE3585938 T DE 3585938T DE 3585938 D1 DE3585938 D1 DE 3585938D1
Authority
DE
Germany
Prior art keywords
producing
same
ultrasonic transducer
transducer
ultrasonic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8585111818T
Other languages
German (de)
Inventor
Tadashi Fujii
Hiroyuki Yagami
Iwao Seo
Masahiro Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Terumo Corp
Mitsubishi Petrochemical Co Ltd
Original Assignee
Terumo Corp
Mitsubishi Petrochemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP59199685A external-priority patent/JPH0657080B2/en
Priority claimed from JP59225126A external-priority patent/JPH0683516B2/en
Application filed by Terumo Corp, Mitsubishi Petrochemical Co Ltd filed Critical Terumo Corp
Application granted granted Critical
Publication of DE3585938D1 publication Critical patent/DE3585938D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
    • Y10T29/49144—Assembling to base an electrical component, e.g., capacitor, etc. by metal fusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE8585111818T 1984-09-26 1985-09-18 ULTRASONIC TRANSDUCER AND METHOD FOR PRODUCING THE SAME. Expired - Fee Related DE3585938D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59199685A JPH0657080B2 (en) 1984-09-26 1984-09-26 Ultrasonic probe and method of manufacturing the same
JP59225126A JPH0683516B2 (en) 1984-10-27 1984-10-27 Ultrasonic probe and method of manufacturing the same

Publications (1)

Publication Number Publication Date
DE3585938D1 true DE3585938D1 (en) 1992-06-04

Family

ID=26511690

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585111818T Expired - Fee Related DE3585938D1 (en) 1984-09-26 1985-09-18 ULTRASONIC TRANSDUCER AND METHOD FOR PRODUCING THE SAME.

Country Status (3)

Country Link
US (2) US4701659A (en)
EP (1) EP0176030B1 (en)
DE (1) DE3585938D1 (en)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61144565A (en) * 1984-12-18 1986-07-02 Toshiba Corp High-polymer piezo-electric type ultrasonic probe
US5296777A (en) * 1987-02-03 1994-03-22 Kabushiki Kaisha Toshiba Ultrasonic probe
DE3724290A1 (en) * 1987-07-22 1989-02-02 Siemens Ag ELECTRODE FOR PIEZOELECTRIC COMPOSITES
DE3803275A1 (en) * 1988-02-04 1989-08-17 Dornier Medizintechnik PIEZOELECTRIC SHOCK WAVE SOURCE
DE3831975A1 (en) * 1988-04-12 1989-10-26 Wegu Messtechnik PIEZO CONTROLLED DYNAMIC PROBE
DE68918995T2 (en) * 1988-06-23 1995-05-11 Teikoku Tsushin Kogyo Kk Assembly of electronic components.
US5126616A (en) * 1989-09-05 1992-06-30 Pacesetter Infusion, Ltd. Ultrasonic transducer electrical interface assembly
DE4029262A1 (en) * 1989-09-16 1991-03-28 Aisin Seiki POWER SUPPLY DEVICE FOR AN ULTRASONIC VIBRATOR AND VEHICLE MIRROR
US5166573A (en) * 1989-09-26 1992-11-24 Atochem North America, Inc. Ultrasonic contact transducer and array
GB8924393D0 (en) * 1989-10-30 1989-12-20 Marconi Co Ltd Transducer testing
US5350964A (en) * 1990-02-28 1994-09-27 Fujitsu Limited Ultrasonic transducer and method of manufacturing the same
US5222399A (en) * 1991-02-01 1993-06-29 Fel-Pro Incorporated Load washer
AU635394B2 (en) * 1991-02-27 1993-03-18 Bae Systems Avionics Limited Transducer testing
GB9108490D0 (en) * 1991-04-20 1991-06-05 Jones Richard W Device for acoustic wave generation
US5155409A (en) * 1991-07-11 1992-10-13 Caterpillar Inc. Integral conductor for a piezoelectric actuator
US5168189A (en) * 1991-09-18 1992-12-01 Caterpillar Inc. Solderless connector for a solid state motor stack
US5275167A (en) * 1992-08-13 1994-01-04 Advanced Technology Laboratories, Inc. Acoustic transducer with tab connector
US5381795A (en) * 1993-11-19 1995-01-17 Advanced Technology Laboratories, Inc. Intraoperative ultrasound probe
GB9225898D0 (en) * 1992-12-11 1993-02-03 Univ Strathclyde Ultrasonic transducer
FR2700220B1 (en) * 1993-01-06 1995-02-17 Saint Louis Inst Method for polarizing at least one zone of a sheet of ferroelectric material, and method for producing a polarized element for piezoelectric or pyroelectric sensor.
US5457863A (en) * 1993-03-22 1995-10-17 General Electric Company Method of making a two dimensional ultrasonic transducer array
US5412854A (en) * 1993-06-18 1995-05-09 Humphrey Instruments, Inc. Method of making a high frequency focused transducer
GB2282931B (en) * 1993-10-16 1997-11-12 Atomic Energy Authority Uk Flexible transducer array support
CA2139151A1 (en) * 1994-01-14 1995-07-15 Amin M. Hanafy Two-dimensional acoustic array and method for the manufacture thereof
US6420819B1 (en) * 1994-01-27 2002-07-16 Active Control Experts, Inc. Packaged strain actuator
JP3487981B2 (en) * 1994-10-20 2004-01-19 オリンパス株式会社 Ultrasonic probe
US6100626A (en) * 1994-11-23 2000-08-08 General Electric Company System for connecting a transducer array to a coaxial cable in an ultrasound probe
US5563354A (en) * 1995-04-03 1996-10-08 Force Imaging Technologies, Inc. Large area sensing cell
US5891581A (en) * 1995-09-07 1999-04-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Thermally stable, piezoelectric and pyroelectric polymeric substrates
DE19620826C2 (en) * 1996-05-23 1998-07-09 Siemens Ag Piezoelectric bending transducer and method for its production
US5711063A (en) * 1996-06-11 1998-01-27 Seagate Technology, Inc. Method of forming a suspension fabricated from silicon
US6036813A (en) * 1996-08-20 2000-03-14 Seagate Technology, Inc. Method of making anisotropic conductive adhesive interconnects for head attachment in rigid disc drive device for manufacturing a groove bearing
US5923115A (en) * 1996-11-22 1999-07-13 Acuson Corporation Low mass in the acoustic path flexible circuit interconnect and method of manufacture thereof
US5879570A (en) * 1997-01-14 1999-03-09 Seagate Technology, Inc. One piece flexure for a hard disc file head with selective nickel plating
US6812624B1 (en) * 1999-07-20 2004-11-02 Sri International Electroactive polymers
DE19725717C2 (en) * 1997-06-18 2001-08-02 Hydrometer Gmbh Ultrasonic transducer for liquid flow meters
US5915277A (en) * 1997-06-23 1999-06-22 General Electric Co. Probe and method for inspecting an object
US6541896B1 (en) * 1997-12-29 2003-04-01 General Electric Company Method for manufacturing combined acoustic backing and interconnect module for ultrasonic array
FR2779575B1 (en) * 1998-06-05 2003-05-30 Thomson Csf MULTI-PIECE ACOUSTIC PROBE COMPRISING A CONDUCTIVE COMPOSITE FILM AND MANUFACTURING METHOD
US7064472B2 (en) * 1999-07-20 2006-06-20 Sri International Electroactive polymer devices for moving fluid
US6286747B1 (en) * 2000-03-24 2001-09-11 Hong Kong Polytechnic University Ultrasonic transducer
DE10028319A1 (en) * 2000-06-07 2001-12-13 Endress Hauser Gmbh Co Electromechanical transducer has piezoelectric elements in stack with intermediate contact electrodes in form of flat connecting vanes fed out of flexible circuit board
FR2818170B1 (en) * 2000-12-19 2003-03-07 Thomson Csf METHOD OF MANUFACTURING A MULTI-ELEMENT ACOUSTIC PROBE USING A METALLIC AND ABLATE POLYMER FILM AS A GROUND PLAN
JP3611796B2 (en) * 2001-02-28 2005-01-19 松下電器産業株式会社 Ultrasonic transducer, manufacturing method of ultrasonic transducer, and ultrasonic flowmeter
GB2388741B (en) * 2002-05-17 2004-06-30 Morgan Crucible Co Transducer assembly
WO2004091255A1 (en) * 2003-04-01 2004-10-21 Olympus Corporation Ultrasonic vibrator and its manufacturing method
US7400513B2 (en) * 2003-04-22 2008-07-15 Nihon Dempa Kogyo Co., Ltd. Conductive printed board, multicore cable and ultrasonic probe using the same
JP4693386B2 (en) * 2004-10-05 2011-06-01 株式会社東芝 Ultrasonic probe
JP4746302B2 (en) * 2004-10-05 2011-08-10 オリンパス株式会社 Ultrasonic probe
ATE490731T1 (en) * 2005-01-18 2010-12-15 Esaote Spa ULTRASONIC PROBE, ESPECIALLY FOR DIAGNOSTIC IMAGE GENERATION
WO2009006318A1 (en) 2007-06-29 2009-01-08 Artificial Muscle, Inc. Electroactive polymer transducers for sensory feedback applications
US20090051250A1 (en) * 2007-08-21 2009-02-26 Dushyant Shah Mesh Terminals For Piezoelectric Elements
US8834377B2 (en) * 2007-10-15 2014-09-16 Konica Minolta, Inc. Ultrasonic probe
JP5294998B2 (en) * 2008-06-18 2013-09-18 キヤノン株式会社 Ultrasonic probe, photoacoustic / ultrasonic system including the ultrasonic probe, and specimen imaging apparatus
JP4524719B2 (en) * 2008-10-17 2010-08-18 コニカミノルタエムジー株式会社 Array type ultrasonic transducer
EP2239793A1 (en) 2009-04-11 2010-10-13 Bayer MaterialScience AG Electrically switchable polymer film structure and use thereof
US20110109203A1 (en) * 2009-11-06 2011-05-12 The Trustees Of Princeton University Flexible piezoelectric structures and method of making same
JP5676216B2 (en) * 2010-11-11 2015-02-25 日本碍子株式会社 Method for manufacturing piezoelectric element
US9553254B2 (en) 2011-03-01 2017-01-24 Parker-Hannifin Corporation Automated manufacturing processes for producing deformable polymer devices and films
CN103703404A (en) 2011-03-22 2014-04-02 拜耳知识产权有限责任公司 Electroactive polymer actuator lenticular system
WO2012129521A1 (en) 2011-03-23 2012-09-27 Gentex Corporation Lens cleaning apparatus
JP5406881B2 (en) * 2011-05-19 2014-02-05 日立Ｇｅニュークリア・エナジー株式会社 Heat-resistant ultrasonic sensor and installation method thereof
US9166141B2 (en) * 2011-09-09 2015-10-20 Dvx, Llc Process of manufacturing a piezopolymer transducer with matching layer
JP6077813B2 (en) * 2012-01-23 2017-02-08 日本電波工業株式会社 Piezoelectric module
JP5713417B2 (en) * 2012-02-14 2015-05-07 国立大学法人信州大学 Gel actuator and manufacturing method thereof
EP2828901B1 (en) 2012-03-21 2017-01-04 Parker Hannifin Corporation Roll-to-roll manufacturing processes for producing self-healing electroactive polymer devices
WO2013192143A1 (en) 2012-06-18 2013-12-27 Bayer Intellectual Property Gmbh Stretch frame for stretching process
US9436005B2 (en) 2012-08-02 2016-09-06 Gentex Corporation Amplified piezoelectric camera lens cleaner
WO2014066576A1 (en) 2012-10-24 2014-05-01 Bayer Intellectual Property Gmbh Polymer diode
FR3000213B1 (en) * 2012-12-21 2015-05-15 Eads Europ Aeronautic Defence RECONFIGURABLE DEVICE FOR CONTROLLING AN ULTRASONIC COMPOSITE STRUCTURE
US10012530B2 (en) 2013-03-14 2018-07-03 Gentex Corporation Light sensing device
CN105917202B (en) * 2014-01-20 2018-11-02 株式会社村田制作所 Piezoelectric transducer
US9784825B2 (en) 2014-07-15 2017-10-10 Garmin Switzerland Gmbh Marine sonar display device with cursor plane
US9812118B2 (en) 2014-07-15 2017-11-07 Garmin Switzerland Gmbh Marine multibeam sonar device
US9664783B2 (en) 2014-07-15 2017-05-30 Garmin Switzerland Gmbh Marine sonar display device with operating mode determination
US9784826B2 (en) 2014-07-15 2017-10-10 Garmin Switzerland Gmbh Marine multibeam sonar device
US10514451B2 (en) 2014-07-15 2019-12-24 Garmin Switzerland Gmbh Marine sonar display device with three-dimensional views
US9766328B2 (en) 2014-07-15 2017-09-19 Garmin Switzerland Gmbh Sonar transducer array assembly and methods of manufacture thereof
US10605913B2 (en) 2015-10-29 2020-03-31 Garmin Switzerland Gmbh Sonar noise interference rejection
GB2555835B (en) * 2016-11-11 2018-11-28 Novosound Ltd Ultrasound transducer
DE102017006181A1 (en) * 2017-06-29 2019-01-03 Diehl Metering Gmbh Measuring device and method for determining a fluid size
CN110139478B (en) * 2019-04-02 2021-08-13 苏州诺莱声科技有限公司 Method for connecting piezoelectric element with good consistency with flexible circuit board
US11619353B2 (en) 2021-04-06 2023-04-04 Hexagon Technology As Composite cylinder monitoring system
US20220316967A1 (en) 2021-04-06 2022-10-06 Hexagon Technology As Multi-element sensor for monitoring composite structure
EP4223423A1 (en) 2022-02-08 2023-08-09 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Acoustic transducer and devices comprising the same

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512254B2 (en) * 1973-07-03 1980-03-31
NL7502453A (en) * 1975-03-03 1976-09-07 Philips Nv DEVICE FOR CONVERSION OF ELECTRIC INTO ACOUSTIC VIBRATIONS AND VERSIONS, EQUIPPED WITH A MEMBRANE CONTAINING AT LEAST ONE LAYER OF PIEZO-ELECTRIC POLYMER MATERIAL.
GB1530783A (en) * 1976-01-30 1978-11-01 Emi Ltd Ultra-sonic pickup device
JPS5840805B2 (en) * 1978-04-10 1983-09-08 東レ株式会社 Coordinate input structure
JPS5520052A (en) * 1978-07-28 1980-02-13 Noto Denshi Kogyo Kk Piezoelectric filter
JPS5525278A (en) * 1978-08-12 1980-02-22 Noto Denshi Kogyo Kk 3-terminal type piezoelectric filter
IT1162336B (en) * 1979-06-22 1987-03-25 Consiglio Nazionale Ricerche PROCEDURE FOR THE CREATION OF ULTRA ACOUSTIC TRANSDUCERS WITH CURTAIN OF LINES OR WITH A MATRIX OF POINTS AND TRANSDUCERS OBTAINED
US4385255A (en) * 1979-11-02 1983-05-24 Yokogawa Electric Works, Ltd. Linear array ultrasonic transducer
US4281550A (en) * 1979-12-17 1981-08-04 North American Philips Corporation Curved array of sequenced ultrasound transducers
US4328441A (en) * 1980-01-31 1982-05-04 Minnesota Mining And Manufacturing Company Output circuit for piezoelectric polymer pressure sensor
DE3019420A1 (en) * 1980-05-21 1981-11-26 SIEMENS AG AAAAA, 1000 Berlin und 8000 München METHOD FOR PRODUCING AN ULTRASONIC TRANSDUCER ARRANGEMENT
FR2485857B1 (en) * 1980-06-25 1986-05-02 Commissariat Energie Atomique MULTI-ELEMENT ULTRASONIC PROBE AND MANUFACTURING METHOD THEREOF
JPS5741100A (en) * 1980-08-23 1982-03-06 Kureha Chem Ind Co Ltd Ultrasonic probe
US4404489A (en) * 1980-11-03 1983-09-13 Hewlett-Packard Company Acoustic transducer with flexible circuit board terminals
US4479069A (en) * 1981-11-12 1984-10-23 Hewlett-Packard Company Lead attachment for an acoustic transducer
FR2531298B1 (en) * 1982-07-30 1986-06-27 Thomson Csf HALF-WAVE TYPE TRANSDUCER WITH PIEZOELECTRIC POLYMER ELEMENT
JPS6059899A (en) * 1983-09-13 1985-04-06 Toshiba Corp Ultrasonic wave probe

Also Published As

Publication number Publication date
US4701659A (en) 1987-10-20
EP0176030A2 (en) 1986-04-02
EP0176030B1 (en) 1992-04-29
EP0176030A3 (en) 1987-08-05
US4783888A (en) 1988-11-15

Similar Documents

Publication Publication Date Title
DE3585938D1 (en) ULTRASONIC TRANSDUCER AND METHOD FOR PRODUCING THE SAME.
DE3485466D1 (en) LAYERED BODY AND METHOD FOR PRODUCING THE SAME.
DE68918165D1 (en) Ultrasonic transducer and method for its production.
DE3582754D1 (en) MEDICAL TOOL AND PRODUCTION METHOD.
DE59100463D1 (en) Method of manufacturing ultrasonic transducers.
DE3482943D1 (en) CATHETER AND PRODUCTION METHOD.
DE3583576D1 (en) ARTIFICIAL BLOOD VESSEL AND METHOD FOR PRODUCING THE SAME.
DE3582637D1 (en) SPRAY ARM AND METHOD AND DEVICE FOR PRODUCING THE SAME.
DE3585268D1 (en) RECORDING MATERIAL AND METHOD FOR THE PRODUCTION.
DE3677044D1 (en) METHOD FOR PRODUCING EMULSIONS AND THE EMULSIONS OBTAINED THEREOF.
DE3484834D1 (en) METHOD FOR PRODUCING POLYAMIDIMINES AND THE USE THEREOF.
DE3585753D1 (en) PLASTIC PRINTING PLATE AND METHOD FOR PRODUCING THE SAME.
DE3580188D1 (en) TEXTILE-LIKE COMPOSED MULTI-LAYERED IMAGE, AND METHOD FOR PRODUCING THE SAME.
DE68905852D1 (en) ULTRASONIC TRANSDUCER AND METHOD FOR THE PRODUCTION THEREOF.
DE3668254D1 (en) CHIP RESISTANCE AND METHOD FOR PRODUCING THE SAME.
DE3785329D1 (en) RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME.
DE3485087D1 (en) METHOD FOR PRODUCING CURVED SURFACES.
DE3579641D1 (en) METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF ALKOXYPOLYSILOXANS.
DE3686444D1 (en) N-FLUORPYRIDINIUM SALTS AND METHOD FOR PRODUCING THE SAME.
DE3681803D1 (en) FILM-LIKE STRUCTURE AND METHOD FOR PRODUCING THE SAME.
DE3786911D1 (en) ANCHOR ARRANGEMENT AND MOTOR DESIGN AND METHOD FOR PRODUCING THE SAME.
DE3381402D1 (en) COMPOSITE PISTON AND METHOD FOR PRODUCING THE SAME.
DE3874415D1 (en) EXTRUDED OBJECT AND METHOD FOR PRODUCING THE SAME.
DE3887811D1 (en) Fibrous laminate and process for making the same.
DE3684632D1 (en) TONER COMPOSITION AND METHOD FOR PRODUCING THE SAME.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee